27788475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2591}}^1$

素因数の和:2628

約数の個数: 48

約数和(自身を含む): 53996544

約数和(自身を除く): 26208069

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 2145, 2591, 3575, 7773, 10725, 12955, 28501, 33683, 38865, 64775, 85503, 101049, 142505, 168415, 194325, 370513, 427515, 505245, 712525, 842075, 1111539, 1852565, 2137575, 2526225, 5557695, 9262825, 27788475]

約数ペア:

[(1, 27788475), (3, 9262825), (5, 5557695), (11, 2526225), (13, 2137575), (15, 1852565), (25, 1111539), (33, 842075), (39, 712525), (55, 505245), (65, 427515), (75, 370513), (143, 194325), (165, 168415), (195, 142505), (275, 101049), (325, 85503), (429, 64775), (715, 38865), (825, 33683), (975, 28501), (2145, 12955), (2591, 10725), (3575, 7773)]